Diameter: 1/4" Length: 3-3/4" Material: Stainless Steel Head Style: Flat (Phillips) Drill Size: 3/16" Thread Type: Coarse Thread Length: Partial Hardness: 410 Type: Masonry Screw Application: Block|Brick|Concrete Box of 50. A tapered screw used to attach objects to concrete, brick and block.
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